Base | Representation |
---|---|
bin | 101100010011… |
… | …1000111100101 |
3 | 1121201011001200 |
4 | 1120213013211 |
5 | 21421311101 |
6 | 2145513113 |
7 | 401304513 |
oct | 130470745 |
9 | 47634050 |
10 | 23228901 |
11 | 12126243 |
12 | 7942799 |
13 | 4a74017 |
14 | 31294b3 |
15 | 208c986 |
hex | 16271e5 |
23228901 has 24 divisors (see below), whose sum is σ = 34622016. Its totient is φ = 14999040.
The previous prime is 23228899. The next prime is 23228921. The reversal of 23228901 is 10982232.
It is a happy number.
It is not a de Polignac number, because 23228901 - 21 = 23228899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23228921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74536 + ... + 74846.
It is an arithmetic number, because the mean of its divisors is an integer number (1442584).
Almost surely, 223228901 is an apocalyptic number.
It is an amenable number.
23228901 is a deficient number, since it is larger than the sum of its proper divisors (11393115).
23228901 is a wasteful number, since it uses less digits than its factorization.
23228901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 553 (or 550 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 23228901 is about 4819.6370195275. The cubic root of 23228901 is about 285.3270115288.
The spelling of 23228901 in words is "twenty-three million, two hundred twenty-eight thousand, nine hundred one".
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